Gregory Marcus has seen concerts during 33 years.

Year   Concerts Seen  
2024 29 concerts
2023 33 concerts
2022 29 concerts
2021 13 concerts
2020 5 concerts
2019 36 concerts
2018 80 concerts
2017 70 concerts
2016 48 concerts
2015 16 concerts
2014 18 concerts
2013 32 concerts
2012 23 concerts
2011 36 concerts
2010 31 concerts
2009 19 concerts
2008 4 concerts
2007 2 concerts
2006 4 concerts
2005 1 concert
2003 5 concerts
2002 1 concert
1999 3 concerts
1998 15 concerts
1997 4 concerts
1996 6 concerts
1995 1 concert
1994 2 concerts
1992 2 concerts
1991 1 concert
1990 1 concert
1989 1 concert
1988 2 concerts